Sub: Hide Aux Switch parameters from user

ArduSub/Parameters.cpp

@@ -418,6 +418,7 @@ const AP_Param::Info Sub::var_info[] = {
     // @Range: 0 32767
     GSCALAR(radio_tuning_high, "TUNE_HIGH",         1000),
 
+#if AUXSW_ENABLED == ENABLED
     // @Param: CH7_OPT
     // @DisplayName: Channel 7 option
     // @Description: Select which function if performed when CH7 is above 1800 pwm
@@ -459,6 +460,7 @@ const AP_Param::Info Sub::var_info[] = {
 	// @Values: 0:Do Nothing, 2:Flip, 3:Simple Mode, 4:RTL, 5:Save Trim, 7:Save WP, 9:Camera Trigger, 10:RangeFinder, 11:Fence, 12:ResetToArmedYaw, 13:Super Simple Mode, 14:Acro Trainer, 16:Auto, 17:AutoTune, 18:Land, 19:Gripper, 21:Parachute Enable, 22:Parachute Release, 23:Parachute 3pos, 24:Auto Mission Reset, 25:AttCon Feed Forward, 26:AttCon Accel Limits, 27:Retract Mount, 28:Relay On/Off, 34:Relay2 On/Off, 35:Relay3 On/Off, 36:Relay4 On/Off, 29:Landing Gear, 30:Lost Copter Sound, 31:Motor Emergency Stop, 32:Motor Interlock, 33:Brake, 37:Throw
     // @User: Standard
     GSCALAR(ch12_option, "CH12_OPT",                AUXSW_DO_NOTHING),
+#endif
 
     // @Param: ARMING_CHECK
     // @DisplayName: Arming check

ArduSub/config.h

@@ -86,6 +86,14 @@
    #   define RC_FAST_SPEED 490
 #endif
 
+//////////////////////////////////////////////////////////////////////////////
+// Aux Switches
+//
+
+#ifndef AUXSW_ENABLED
+# define AUXSW_ENABLED DISABLED
+#endif
+
 //////////////////////////////////////////////////////////////////////////////
 // RPM
 //